//  only for test
public class Hello{
    public static void main(String[] args){
	int count=1;
	count=2;

	final int DAY_COUNT=24;
	System.out.println("Hello World");
	System.out.println(count);
	System.out.println(DAY_COUNT);
	System.out.println("\"");
	System.out.println(" only \n  for  \n test");
	
	int sum=count+2;
	System.out.println(sum);
	
	int i=0;
	i++; //等价于i=i+1
	System.out.println("i="+i);
	
	int j=5;
	j*=6;
	System.out.println("j*="+j);
	
	boolean isSuccess=true;
	System.out.println(!isSuccess);
	

}

}